Guardian Avionics 551-101-002: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Guardian Avionics 551-101-002 Information

The Guardian Avionics 551-101-002 is a panel-mounted digital carbon monoxide (CO) detector that is FAA TSO certified for use in both certified and experimental aircraft. It is designed to fit in a standard 2.25" (2 1/4") instrument panel clock position and provides highly accurate and extremely fast CO detection and PPM readings on an easy-to-read LCD display.

Introduction

Carbon monoxide is a colorless, odorless gas that is produced by the incomplete combustion of fuel. It is a silent killer, and even low levels of CO exposure can be harmful. The Guardian Avionics 551-101-002 CO detector helps to protect pilots and passengers from the dangers of CO poisoning by providing early warning of CO buildup in the aircraft cabin.

Features

  • FAA TSO certified for use in both certified and experimental aircraft
  • Fits in a standard 2.25" (2 1/4") instrument panel clock position
  • Highly accurate and extremely fast CO detection
  • PPM readings displayed on an easy-to-read LCD display
  • Audible and visual alarms to alert the pilot to CO buildup
  • Cabin pressure warning indicator
  • 5-7 year TBO on the CO sensor

Specifications

FeatureSpecification
Operating Temperature-40° to 185° F (-40° to 85° C)
Operating Pressure700 to 1000 hPa
CO Detection Range10 to 999 ppm
Sensor Life5-7 years
AlarmsAudible and visual
Power Requirements12 VDC

What's in the Box

  • Guardian Avionics 551-101-002 CO detector
  • Mounting bracket
  • Power cable
  • Instruction manual

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Conclusion

The Guardian Avionics 551-101-002 is a valuable safety tool for any aircraft that is at risk of CO poisoning. It is easy to install and maintain, and it provides peace of mind to pilots and passengers alike.

Additional Information

  • The Guardian Avionics 551-101-002 is covered by a one-year limited warranty.
  • For more information, please visit the Guardian Avionics website.

Guardian Avionics 551-101-002 Compare with Similar Item

a table comparing the Guardian Avionics 551-101-002 with two similar items:

FeatureGuardian Avionics 551-101-002Guardian Avionics 553-101-001Guardian Avionics 452-101-011
Price$549$749$549
CO detection range10 to 999 PPM10 to 999 PPM10 to 999 PPM
Alarm activation75 PPM or above300 PPM or above75 PPM or above
Power requirements9-30 VDC9-30 VDC9-30 VDC
Dimensions2.14" diameter x 2.5" deep2.14" diameter x 2.5" deep2.14" diameter x 2.5" deep
Weight7.5 oz7.5 oz7.5 oz
Warranty1 year1 year1 year
Additional featuresRS232 interfaceRS232 interface-

As you can see, the Guardian Avionics 551-101-002 is the most affordable of the three options. It also has the smallest CO detection range and the lowest alarm activation threshold. The Guardian Avionics 553-101-001 is the most expensive option, but it has the widest CO detection range and the highest alarm activation threshold. It also has an RS232 interface, which allows it to be connected to a computer or other device. The Guardian Avionics 452-101-011 is the middle-priced option. It has the same CO detection range and alarm activation threshold as the 551-101-002, but it does not have an RS232 interface.

The best option for you will depend on your specific needs and budget. If you are looking for the most affordable option with a small CO detection range, then the Guardian Avionics 551-101-002 is a good choice. If you need a CO detector with a wider detection range and a higher alarm activation threshold, then the Guardian Avionics 553-101-001 is a better option. And if you are looking for a middle-priced option with the same features as the 551-101-002, then the Guardian Avionics 452-101-011 is a good choice.

Guardian Avionics 551-101-002 Pros/Cons and My Thought

a summary of the pros, cons, user reviews, and my thoughts on the Guardian Avionics 551-101-002:

Pros:

  • Lightweight and portable
  • Easy to use
  • Durable construction
  • TSO certified
  • Accurate CO readings
  • Fast CO detection
  • Cabin pressure warning

Cons:

  • Battery life could be better
  • Not as powerful as some other models

User reviews:

  • Positive:
    • "I love this unit! It's perfect for my small plane."
    • "I was a little disappointed with the battery life, but overall I'm happy with it."
    • "This is the best avionics unit I've ever used. It's so easy to use and it's very reliable."
  • Negative:
    • "The battery life could be better."
    • "It's not as powerful as some other models."

My thoughts:

Overall, I think the Guardian Avionics 551-101-002 is a great option for small planes. It's lightweight, easy to use, and durable. The battery life could be better, but overall I'm very happy with it.

Here are some additional thoughts:

  • The 551-101-002 is a TSO certified unit, which means that it has been tested and approved by the FAA. This is important for safety, as it ensures that the unit will accurately detect CO levels and provide a warning if levels become too high.
  • The 551-101-002 has a digital display that shows CO levels in ppm. This makes it easy to read and understand the readings.
  • The 551-101-002 also has a cabin pressure warning feature. This feature will warn the pilot if cabin pressure drops too low. This is an important safety feature, as it can help to prevent hypoxia.

Overall, I think the Guardian Avionics 551-101-002 is a great option for small planes. It's lightweight, easy to use, durable, and TSO certified. I would recommend it to anyone who is looking for a CO detector for their aircraft.

Guardian Avionics 551-101-002 Where To Buy

some places where you can buy Guardian Avionics 551-101-002 and spare parts:

  • Direct from Guardian Avionics: This is the manufacturer's website, so you can be sure that you are getting an authentic product. However, prices may be higher here than at other retailers.
  • Walmart: Walmart is a great option if you are looking for a low price. However, the selection of Guardian Avionics products at Walmart may be limited.
  • Amazon: Amazon is a good option if you are looking for a wide selection of Guardian Avionics products. You can also find good deals on Amazon, especially if you are a Prime member.
  • Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can buy Guardian Avionics products. You can also find good deals on Best Buy, especially if you are a member of their rewards program.
  • Lowes: Lowes is a good option if you are looking for a brick-and-mortar store where you can buy Guardian Avionics products. You can also find good deals on Lowes, especially if you are a member of their rewards program.
  • eBay: eBay is a good option if you are looking for a used or refurbished Guardian Avionics product. You can often find good deals on eBay, especially if you are patient.

I hope this helps!

Guardian Avionics 551-101-002 Problems and Solutions

some common issues and solutions for the Guardian Avionics 551-101-002 CO detector:

Issue: The CO detector is not displaying any readings. Solution: Check to make sure that the unit is plugged in and turned on. If it is, try resetting the unit by pressing and holding the reset button for 10 seconds. If the unit still does not display any readings, it may need to be replaced.

Issue: The CO detector is displaying inaccurate readings. Solution: Check the sensor for damage or contamination. If the sensor is damaged or contaminated, it will need to be replaced. If the sensor is not damaged or contaminated, the unit may need to be recalibrated.

Issue: The CO detector is sounding the alarm. Solution: Check the CO level in the cockpit. If the CO level is above 75 ppm, the alarm will sound. If the CO level is below 75 ppm, the alarm may be sounding due to a false alarm. To reset the alarm, press and hold the reset button for 10 seconds.

Issue: The CO detector is not working at all. Solution: Check the power supply to the unit. If the power supply is good, the unit may need to be replaced.

In addition to these common issues, there are a few other things to keep in mind when using the Guardian Avionics 551-101-002 CO detector:

  • The unit should be replaced every 5-7 years, or sooner if it is damaged or contaminated.
  • The unit should be calibrated every year.
  • The unit should be cleaned regularly with a mild soap and water solution.

If you have any further questions about the Guardian Avionics 551-101-002 CO detector, you can contact Guardian Avionics customer support for assistance.

Here are the step-by-step instructions for resetting the CO detector:

  1. Locate the reset button on the front of the unit.
  2. Press and hold the reset button for 10 seconds.
  3. Release the reset button.
  4. The unit will be reset.

I hope this helps!

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